Samsung Refrigerators

Error Code 44Er

Main board and inverter cannot communicate

Moderate

Address soon - your appliance may not work properly

Also displayed as: 44Er

What This Means

Inverter MICOM communication failure; Cable disconnection; Connector contact error; Main PCB malfunction; Inverter PCB malfunction

What actually causes this:

The compressor control board has lost communication with the main board. Usually a loose cable between them or a bad board connection.

First Thing to Check

Check the cable between main board and inverter board for loose connectors.

Parts Involved

Main PCBInverter PCBCommunication cable

How to Fix

  1. 1

    Verify cable connection between main and inverter

  2. 2

    Check connector contact

  3. 3

    Inspect wiring for damage

  4. 4

    Test with self-diagnosis

  5. 5

    Check soldering on PCBs

This Error Applies To

Samsung RS28A500A Series Refrigerators

Service manual exact match: RS28A5F61**Service manual exact match: RS28A5000**Service manual exact match: RS5300TService manual exact match: RS23A500A**Service manual exact match: RS28A500A**Service manual exact match: RS5300TC

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